History (Corporate development of the former business company)

1928

Toden Denkyu Co., Ltd., was established in Ryogoku, Fukagawa-ku, Tokyo, Japan, to manufacture lightbulbs.

1929

Shibaura Denki Kogyo Co., Ltd., was established to repair and manufacture electrical equipment as well as to inspect purchased equipment.

1932

Toden Denki Shohin Co., Ltd., was established to sell electrical appliances.

1938

These three companies merged under the new name of Toden Denkyu Co., Ltd., which changed the company name to Toko Electric Corporation in the next year.

1948

Began the manufacture and sales of fluorescent lamp. With an increase in demand for home appliances for the occupation troops, the sales of electrical products and the orders for electrical work were boosted.

1953

Succeeded the electricity meter service business. Took over the business rights of Kyodo Denki Seisakujo Co., Ltd., and Oji Denki Kogyosho Co., Ltd., to resume the repair of electricity meters.

1958

Began contracted business of expired electricity meter replacement. Began new contracted business of expired meter replacement, assuming the rationalization of coherent operation of meter business conducted by Tokyo Electric Power Company.

1960

Began the manufacture and sales of oil-filled swithes. With an increase in electricity demand during the period of rapid economic growth, worked on the increase in the number of the electricity distribution lines and measures against electric voltage and began the development, manufacture, and sales of new products.

1965

Began the manufacture and sales of power system eqwipment.

1969

Began the manufacture and sales of 6 kV molded type instrument transformers.

1971

Began the manufacture and sales of hight-voltage airswitches.

1976

Began the manufacture and sales of power monitoring control panel.

1993

Constructed a new painting plant at the site in Saitama to begin the development of products toward distribution automation.

2000

Installed an APG cast molding machine made in Germany.

2003

Delivered an outdoor molding Earthed Voltage Transformer.

2004

Completed the construction of Oval Court Osaki Mark East.

2005

Established Toko Electric (Suzhou) Co., Ltd.

2009

Began the sales of STiNC.

Established Toshiba Toko Meter Systems Co., Ltd.

1918

Takaoka Electric Mfg. Co., Ltd., was established and began the operation in Takaoka Town, Nagoya City.

1920

Developed the first disconnector.

1932

Developed a 5,000 kVA three-phase transformer.

1940

Moved the company headquarters to Tokyo.

1945

Produced consumer products such as electric cooling stove and iron.

1962

Constructed a new factory dedicated for large power transformers in Oyama City, Tochigi.

1971

Developed the first 6 kV solid insulated switch gear in Japan.

1974

Constructed Oyama No. 2 Factory to produce pole-mounted transformers.

1975

Completed a 550 kV disconnector with the world’s largest capacity.

1978

Developed a computer-controlled system (MUDIC).

1981

Delivered a central substation monitoring control system.

1992

Delivered a distribution-automated computer system.

1994

Constructed Hamamatsu Techno Center in Hamamatsu City, Shizuoka.
Acquired the US patent for the 3D Visual Inspection System and then began the sales of the device.

2002

Established MintWave Co., Ltd., as the first IT company dedicated for thin clients system in Japan.

2004

Began the sales of Top Runner Program (High efficiency transformer)
Delivered a photomask defect inspection device (for semiconductor) for the first time.

2005

Established a water purifier factory and began the sales of Active BIO.

2007

Delivered a quick charger for electric vehicles.

2010

Constructed a new disconnector factory in Oyama factory and established a distribution network verification test station.